华北农学报 ›› 2009, Vol. 24 ›› Issue (2): 27-31. doi: 10.7668/hbnxb.2009.02.006

所属专题: 玉米

• 论文 • 上一篇    下一篇

玉米SSR连锁图谱构建和抗弯孢菌叶斑病的QTL分析

刘兰浩1, 裴玉贺1, 穆平1, 张恩盈1, 郭新梅2, 鄢洪海1   

  1. 1. 青岛农业大学 生命科学学院, 山东 青岛 266109;
    2. 青岛农业大学 农学与植物保护学院, 山东 青岛 266109
  • 收稿日期:2009-01-07 出版日期:2009-04-28
  • 通讯作者: 宋希云( 1961- ), 男, 山东潍坊人, 教授, 博士, 主要从事作物育种研究。
  • 作者简介:刘兰浩( 1978- ), 男, 山东潍坊人, 硕士, 主要从事玉米分子育种研究.
  • 基金资助:
    "十一五"科技支撑计划"粮食丰产科技工程"(2006BAD02A09-JS03);山东省农业良种工程;青岛市自然科学基金(05-2-JC-55)

SSR Linkage Map Construction and QTL Analysis for Curvularia Leaf Spot Disease in Maize

LIU Lan-hao1, PEI Yu-he1, MU Ping1, ZHANG En-ying1, GUO Xin-mei2, YAN Hong-hai1   

  1. 1. College of Life Science, Qingdao Agricultural University, Qingdao 266109, China;
    2. College of Agriculture and Plant Protection, Qingdao Agricultural University, Qingdao 266109, China
  • Received:2009-01-07 Published:2009-04-28

摘要: 利用SSR分子标记技术以及软件Mapmaker3.0,Mapdraw2.0和QTLMaper1.6对齐319和掖478及其F2∶3家系进行了初步的遗传分析,构建了分子遗传连锁图谱.该连锁图总长度1 638.7 cM,包含114个标记,平均两个标记间的距离为14.37 cM.在所做标记的附近得到个QTL,分别位于第2,3,,6,9条染色体上,能解释表型变异的36.21%,21.6%,39.41%,20.67%,30.4%,而且均检测出加性效应.另外,还发现QTLs之间表现出上位性互作.

关键词: 玉米, 弯孢菌叶斑病, SSR, 上位性互作, 加性效应

Abstract: In this study,SSR molecular marker technology and software Mapmaker3.0,Mapdraw2.0 and alignment QTLMaper1.6 were applied for preliminary genetic analysisof Ye 478,Qi319 and populationof F2:3 lines,and molecular genetic linkage map was constructed. The total length of the linkage map was 1638.7 cM,containing 114 markers,and the average distance between two markerswas 14.37 cM. Five QTLswerefound near the SSR markers set,whichwere localizedon chromosome 2,3,5,6,9,which could explain 36121 %,2116 %,39141 %,20167 %,30154 %of the phenotypic variation. They all demonstrated additive effects.Digenic epistasis interactions existed between some detected QTLs related to resistance to Curvularia lunata.

Key words: Maize, Curvularia lunata, SSR, Epistasis interaction, Additive effects

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引用本文

刘兰浩, 裴玉贺, 穆平, 张恩盈, 郭新梅, 鄢洪海. 玉米SSR连锁图谱构建和抗弯孢菌叶斑病的QTL分析[J]. 华北农学报, 2009, 24(2): 27-31. doi: 10.7668/hbnxb.2009.02.006.

LIU Lan-hao, PEI Yu-he, MU Ping, ZHANG En-ying, GUO Xin-mei, YAN Hong-hai, SONG Xi-yun. SSR Linkage Map Construction and QTL Analysis for Curvularia Leaf Spot Disease in Maize[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2009, 24(2): 27-31. doi: 10.7668/hbnxb.2009.02.006.

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